tree d873bc3878ed9edd1b9b1a6452181e0cea759521
parent b0398e4ae38ce4d532e6b815fcd0a7e8755f7d8b
author Hall Liu <hallliu@google.com> 1523405584 -0700
committer Hall Liu <hallliu@google.com> 1523471580 +0000

Ensure calls are audible upon starting

Check volume on STREAM_VOICE_CALL. If zero, set it to the default before
proceeding with either an incoming or outgoing call.

Change-Id: I210d95f59fe73586dd4d3202cca3b3eb3e500d0c
Fixes: 73956232
Test: manual